aboutsummaryrefslogtreecommitdiff
path: root/docs
diff options
context:
space:
mode:
authorMarkus Armbruster <armbru@redhat.com>2019-03-08 14:14:45 +0100
committerMarkus Armbruster <armbru@redhat.com>2019-03-11 22:54:25 +0100
commite33763be7cd3769c9ae48e67d775348863fdabdb (patch)
tree7213d07955d6baeb412dbd717cfae9f12cef2d05 /docs
parentebc29e1beab02646702c8cb9a1d29b68f72ad503 (diff)
docs/interop/firmware.json: Prefer -machine to if=pflash
The previous commit added a way to configure firmware with -blockdev rather than -drive if=pflash. Document it as the preferred way. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190308131445.17502-13-armbru@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'docs')
-rw-r--r--docs/interop/firmware.json20
1 files changed, 14 insertions, 6 deletions
diff --git a/docs/interop/firmware.json b/docs/interop/firmware.json
index 28f9bc1591..ff8c2ce5f2 100644
--- a/docs/interop/firmware.json
+++ b/docs/interop/firmware.json
@@ -212,9 +212,13 @@
#
# @executable: Identifies the firmware executable. The firmware
# executable may be shared by multiple virtual machine
-# definitions. The corresponding QEMU command line option
-# is "-drive
-# if=pflash,unit=0,readonly=on,file=@executable.@filename,format=@executable.@format".
+# definitions. The preferred corresponding QEMU command
+# line options are
+# -drive if=none,id=pflash0,readonly=on,file=@executable.@filename,format=@executable.@format
+# -machine pflash0=pflash0
+# or equivalent -blockdev instead of -drive.
+# With QEMU versions older than 4.0, you have to use
+# -drive if=pflash,unit=0,readonly=on,file=@executable.@filename,format=@executable.@format
#
# @nvram-template: Identifies the NVRAM template compatible with
# @executable. Management software instantiates an
@@ -225,9 +229,13 @@
# individual copies of it are. An NVRAM file is
# typically used for persistently storing the
# non-volatile UEFI variables of a virtual machine
-# definition. The corresponding QEMU command line
-# option is "-drive
-# if=pflash,unit=1,readonly=off,file=FILENAME_OF_PRIVATE_NVRAM_FILE,format=@nvram-template.@format".
+# definition. The preferred corresponding QEMU
+# command line options are
+# -drive if=none,id=pflash1,readonly=off,file=FILENAME_OF_PRIVATE_NVRAM_FILE,format=@nvram-template.@format
+# -machine pflash1=pflash1
+# or equivalent -blockdev instead of -drive.
+# With QEMU versions older than 4.0, you have to use
+# -drive if=pflash,unit=1,readonly=off,file=FILENAME_OF_PRIVATE_NVRAM_FILE,format=@nvram-template.@format
#
# Since: 3.0
##